Merge "Honor Ble scanning settings from Settings UI." into mnc-dev

core/java/android/bluetooth/BluetoothAdapter.java

@@ -34,6 +34,7 @@ import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.app.ActivityThread;
 import android.os.SystemProperties;
+import android.provider.Settings;
 import android.os.Binder;
 import android.util.Log;
 import android.util.Pair;
@@ -631,24 +632,6 @@ public final class BluetoothAdapter {
         }
     }
 
-    /**
-     * Returns true if LE only mode is enabled, that is apps
-     * have authorization to turn only BT ON and the calling
-     * app has privilage to do so
-     */
-    private boolean isLEAlwaysOnEnabled() {
-        boolean ret = false;
-        if (SystemProperties.getBoolean("ro.bluetooth.blealwayson", true) == true) {
-            Log.v(TAG, "LE always on mode is enabled");
-            // TODO: System API authorization check
-            ret = true;
-        } else {
-            Log.v(TAG, "LE always on mode is disabled");
-            ret = false;
-        }
-        return ret;
-    }
-
     /**
      * Turns off Bluetooth LE which was earlier turned on by calling EnableBLE().
      *
@@ -676,7 +659,7 @@ public final class BluetoothAdapter {
      * @hide
      */
     public boolean disableBLE() {
-        if (isLEAlwaysOnEnabled() != true) return false;
+        if (!isBleScanAlwaysAvailable()) return false;
 
         int state = getLeState();
         if (state == BluetoothAdapter.STATE_ON) {
@@ -738,7 +721,7 @@ public final class BluetoothAdapter {
      * @hide
      */
     public boolean enableBLE() {
-        if (isLEAlwaysOnEnabled() != true) return false;
+        if (!isBleScanAlwaysAvailable()) return false;
 
         if (isLeEnabled() == true) {
             if (DBG) Log.d(TAG, "enableBLE(): BT is already enabled..!");
@@ -1243,8 +1226,12 @@ public final class BluetoothAdapter {
      */
     @SystemApi
     public boolean isBleScanAlwaysAvailable() {
-        // TODO: implement after Settings UI change.
+        try {
-        return false;
+            return mManagerService.isBleScanAlwaysAvailable();
+        } catch (RemoteException e) {
+            Log.e(TAG, "remote expection when calling isBleScanAlwaysAvailable", e);
+            return false;
+        }
     }
 
     /**

core/java/android/bluetooth/IBluetoothManager.aidl

@@ -44,6 +44,8 @@ interface IBluetoothManager
 
     String getAddress();
     String getName();
+
+    boolean isBleScanAlwaysAvailable();
     int updateBleAppCount(IBinder b, boolean enable);
     boolean isBleAppPresent();
 }

services/core/java/com/android/server/BluetoothManagerService.java

@@ -48,6 +48,7 @@ import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
+import android.provider.Settings.SettingNotFoundException;
 import android.util.Log;
 
 import java.io.FileDescriptor;
@@ -443,6 +444,16 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
     /** Internal death rec list */
     Map<IBinder, ClientDeathRecipient> mBleApps = new HashMap<IBinder, ClientDeathRecipient>();
 
+    @Override
+    public boolean isBleScanAlwaysAvailable() {
+        try {
+            return (Settings.Global.getInt(mContentResolver,
+                    Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE)) != 0;
+        } catch (SettingNotFoundException e) {
+        }
+        return false;
+    }
+
     public int updateBleAppCount(IBinder token, boolean enable) {
         if (enable) {
             ClientDeathRecipient r = mBleApps.get(token);